<template>
  <div class="g-container">
    <div class="g-candle">
      <div class="g-body"></div>
      <div class="g-fire-box">
        <div class="g-fire">
          <div class="g-ball" v-for="i in 200" :key="i"></div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
export default {};
</script>

<style lang="scss" scoped>
$count: 200;

.g-container {
  height: 100%;
  background: #000;
  overflow: hidden;
}

.g-candle {
  position: absolute;
  width: 400px;
  height: 400px;
  margin: 0 auto;

  .g-body {
    position: relative;
    width: 100px;
    height: 300px;
    margin: 280px auto;
    background: linear-gradient(230deg, #ca9800, #573903, black 70%);
    z-index: 1;
    &::before {
      position: absolute;
      content: "";
      width: 100px;
      height: 40px;
      border-radius: 50%;
      box-sizing: border-box;
      top: -20px;
      background: radial-gradient(#a46800, #5c3104 45%, #905602 100%);
    }

    &::after {
      position: absolute;
      content: "";
      width: 4px;
      height: 48px;
      background: #fff;
      left: 50%;
      top: -22px;
      transform: translate(-50%, -50%);
      border-radius: 50% 50% 0 0;
      background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.8) 60%,
        #fff
      );
      opacity: 0.7;
      filter: blur(1px);
    }
  }
  .g-fire-box {
    position: absolute;
    top: 97px;
    left: 50%;
    width: 80px;
    height: 200px;
    transform: translate(-50%, -50%);
    filter: blur(2px) contrast(20);

    .g-fire {
      position: absolute;
      top: 30px;
      left: 50%;
      border-radius: 45%;
      box-sizing: border-box;
      border: 120px solid #000;
      border-bottom-color: transparent;
      transform: translate(-50%, 0) scaleX(0.45);
      background-color: #761b00;
      // filter: blur(20px) contrast(30);
    }
    .g-ball {
      position: absolute;
      top: 60px;
      transform: translate(0, 0);
      background: #fa8763;
      border-radius: 50%;
      z-index: -1;
      mix-blend-mode: screen;
    }
    @for $i from 0 to $count {
      .g-ball:nth-child(#{$i}) {
        $width: #{random(50)}px;
        animation: movetop 1s linear -#{random(3000) / 1000}s infinite;
        width: $width;
        height: $width;
        left: calc(#{(random(70))}px - 55px);
      }
    }
  }
}
@keyframes movetop {
  0% {
    transform: translate(0, 0);
  }
  20% {
    transform: translate(0, 0);
  }
  87.7% {
    transform: translate(0, -170px);
    opacity: 0;
  }
  100% {
    transform: translate(0, -170px);
    opacity: 0;
  }
}
</style>